Alert archive / New Jersey / River Flood Warnings in 2018

River Flood Warning 5, NWS Philadelphia/Mount Holly

March 2, 2018Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Mar 2, 2018, 9:31 PM EST for Somerset County, New Jersey. It took effect at Mar 3, 2018, 2:00 AM EST. It was in force for 17 hr.

The area

The outline as issued.

The facts

Issued
Mar 2, 2018, 9:31 PM EST (02:31 UTC)
In effect from
Mar 3, 2018, 2:00 AM EST
Expired
Mar 3, 2018, 7:00 PM EST
In force
17 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
Minor

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 02:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Millstone River at Blackwells Mills (BKWN4). The gauge peaked at 9.13 ft at Mar 3, 2018, 4:00 AM EST.

actionminormoderate51003/0303/0403/05
Action stage
7 ft
Minor stage
9 ft
Moderate stage
10 ft
Major stage
15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01402000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

001 
WGUS41 KPHI 030231
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
931 PM EST Fri Mar 2 2018

...The National Weather Service in Mount Holly NJ has issued a flood warning for
the following rivers in New Jersey...

  Millstone River At Blackwells Mills affecting Somerset County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.

&&

NJC035-030829-
/O.NEW.KPHI.FL.W.0005.180303T0700Z-180304T0000Z/
/BKWN4.1.ER.180303T0700Z.180303T1200Z.180303T1800Z.NO/
931 PM EST Fri Mar 2 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Millstone River at Blackwells Mills.
* from late tonight to Saturday evening...Or until the warning is cancelled.
* At  9:15 PM Friday the stage was 8.6 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by after midnight tonight and continue to 
  rise to near 9.1 feet by tomorrow morning.the river will fall below flood 
  stage by early tomorrow afternoon.


 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    8.59  Fri 9 PM     9.2    Sat 7 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$
3 follow-up statements
342 
WGUS81 KPHI 030819
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
319 AM EST Sat Mar 3 2018

...The Flood Warning continues for the Millstone River...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think it is.

&&

NJC035-031820-
/O.EXT.KPHI.FL.W.0005.000000T0000Z-180303T2200Z/
/BKWN4.1.ER.180303T0600Z.180303T1200Z.180303T1600Z.NO/
319 AM EST Sat Mar 3 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 2:15 AM, the river level was 9.07 feet and rising.
* Flood stage is 9.0 feet.
* Minor flooding is occurring is forecast to continue.
* Forecast...The river level will continue rising to near 9.2 feet
  this morning. The river level should fall back below flood stage
  around midday.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    9.07  Sat 215 AM   9.2    Sat 700 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

Iovino
356 
WGUS81 KPHI 031528
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1028 AM EST Sat Mar 3 2018

...The Flood Warning continues for the following rivers in New Jersey...
  Millstone River At Blackwells Mills affecting Somerset County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.

&&

NJC035-032200-
/O.CON.KPHI.FL.W.0005.000000T0000Z-180303T2200Z/
/BKWN4.1.ER.180303T0600Z.180303T1115Z.180303T1600Z.NO/
1028 AM EST Sat Mar 3 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At  9:15 AM Saturday the stage was 9.0 feet.
* Flood stage is 9.0 feet.
* Forecast...The river will continue to fall to below flood stage late this 
  morning.


 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    9.04  Sat 9 AM     9.0    Sat 11 AM
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$
195 
WGUS81 KPHI 031710
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1210 PM EST Sat Mar 3 2018

...The Flood Warning is cancelled for the following rivers in New Jersey...

  Millstone River At Blackwells Mills affecting Somerset County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.

&&

NJC035-031740-
/O.CAN.KPHI.FL.W.0005.000000T0000Z-180303T2200Z/
/BKWN4.1.ER.180303T0600Z.180303T1115Z.180303T1507Z.NO/
1210 PM EST Sat Mar 3 2018

The Flood Warning is cancelled for
  The Millstone River at Blackwells Mills.
* At 11:15 AM Saturday the stage was 8.9 feet.
* Flood stage is 9.0 feet.
* Fell below flood stage at 10:07 AM Saturday.
* Forecast...The river will continue to fall to 6.3 feet by tomorrow morning.


 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    8.95  Sat 11 AM    8.8    Sat 1 PM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 3, 12:55 AM ESTGale WarningPHI33 hr
Mar 3, 10:25 AM ESTRiver Flood WarningPHIBurlington39 hr
Mar 3, 3:37 PM ESTCoastal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean19 hr

Nearby

River Flood Warnings in New Jersey, 2018Every river flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.